Britney on best behaviour during Barrymore's Halloween party

Published: Thursday, November 6, 2008, 17:40 [IST]

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Washington, Nov 6 : American pop princess Britney Spears has proven that she has what it takes to change her life for the better when she was spotted to be on her best behaviour at a party this Halloween.

The Toxic singer had just last year lost custody of her kids and spent Halloween night crazily running around Los Angeles in a pink leotard.

She was this year seen attending Drew Barrymore's Private Halloween Party at her Hollywood Hills home, Fox News reported.

Spears, who dressed as a witch in a big witch hat, a black wig and black lace dress, was on her best behaviour throughout the party.

She even refused to take a sip of booze.

A source revealed that the singer seemed pretty shy and stayed close to her William Morris agent Jason Trawick and cousin Laura Lynn Covington, whose mother (Brit's aunty) passed away just prior to all the crazy behaviour last year.